.editorconfig

tests: port test-filecache.py to Python 3

Only remarkable bit is my wrapper around print(), which I regret a
little, but not enough to go back and try to do something cleaner.

Differential Revision: https://phab.mercurial-scm.org/D3506

# See http://EditorConfig.org for the specification

root = true

[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true

[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true